200A and 202 reproduction
frames back
in stock.

A CT Yankee
I recently purchased 60s era Coleman lanterns from Facebook Marketplace for a camping trip next week. One works so I left it, the other didn't so I did a complete tear down and cleaning after watching three or four people's YouTube videos. I reassembled it and installed fresh mantles. I can get the lantern to start but I can hear the sound is not always steady "hiss" of gas - more a sputtering. The mantles ignite and burn for a while but they flicker then die out. Any pointers?

Some assorted notes that might help you diagnose the problem:
-I only put a little fuel in b/c I didn't want to fill the lantern if it wasn't going to run
-When I pressurize the tank and let it sit, I don't hear any leaks
-I didn't replace the generator but took it apart and cleaned it
-When it first didn't light I unscrewed the hex nut on the generator and gas bubbled out like it was under pressure...led me to think there is a blockage at the top of the generator (?)
-I've spun the generator cleaner thingy that causes the pin-sized wire to prick the generator 
NB
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outlawmws
A starting point:  https://www.colemancollectorsforum.com/post/basic-lantern-diagnostics-10620466?pid=1312372784
[Logo%20Outlaw-half] 
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A CT Yankee
Thanks outlawmws!
NB
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zoomkat
"I did a complete tear down"

So, did you remove the fuel control rod from the fuel pickup assembly? Often the fuel control rod gets installed incorrectly, which in effect causes the lantern to stay in the start configuration. This could result in some burning inconsistencies and fairly rapid depressurizing of the tank.
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A CT Yankee
Yeah I removed the fuel control rod. I'm looking at a cross-section diagram someone else posted on this forum. The "start configuration" meaning that the little pin at the bottom is never able to retract all the way? 
NB
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Hot Diggity
Did you try putting more fuel in it?  Try opening the valve all the way before it went out?  Lots of air in the fount requires lots of pumping to build pressure as well.  Easy test, add more good fuel.  You can always dump it back out if really necessary. 
Chuck, 3/61, ICCC 1689
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Tinker, Toy maker, Trash picker, Wickie, Lamp loon
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JimL
Hot Diggity wrote:
Did you try putting more fuel in it?  Try opening the valve all the way before it went out?  Lots of air in the fount requires lots of pumping to build pressure as well.  Easy test, add more good fuel.  You can always dump it back out if really necessary. 


^^^ This!  ^^^

-Jim

Flammable liquids, open flame, what could go wrong?


There is a very fine line between hobby and mental illness. - Dave Barry
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zoomkat
"Yeah I removed the fuel control rod. I'm looking at a cross-section diagram someone else posted on this forum. The "start configuration" meaning that the little pin at the bottom is never able to retract all the way?"

That is correct. The spring has to go under the collar on the fuel control rod so that it pushes the fuel control rod up as the fuel control valve is opened. Often the spring gets put on top of the collar during reassembly and then the rod never goes up and out of the fuel inlet orifice on the bottom of the fuel pickup tube.  
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Newfie
I would add more fuel to begin with. Having very little fuel won't get it to work normally.
Shane Looking for the following Canadian birthday lanterns or lamps: 2-32, 6-34,
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A CT Yankee
Thank you to all the responses - I think I've fixed it! 

Happy to have found this group of lantern experts!
NB
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Encee
A CT Yankee wrote:
Thank you to all the responses - I think I've fixed it! 

Happy to have found this group of lantern experts!


Just out of curiosity, was the solution to add more fuel or reassemble the valve?
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